Pneumoconiosis diagnostic criteria: Difference between revisions
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== Overview == | == Overview == | ||
The initial imaging done for pneumoconiosis is a chest x-ray. This serves as a screening test. High resolution CT follows and is more sensitive and specific. HRCT can identify those disease missed by chest radiograph. <ref name="pmid1410306">{{cite journal| author=Remy-Jardin M, Remy J, Farre I, Marquette CH| title=Computed tomographic evaluation of silicosis and coal workers' pneumoconiosis. | journal=Radiol Clin North Am | year= 1992 | volume= 30 | issue= 6 | pages= 1155-76 | pmid=1410306 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=1410306 }} </ref> <ref name="pmid1987601">{{cite journal| author=Akira M, Yokoyama K, Yamamoto S, Higashihara T, Morinaga K, Kita N | display-authors=etal| title=Early asbestosis: evaluation with high-resolution CT. | journal=Radiology | year= 1991 | volume= 178 | issue= 2 | pages= 409-16 | pmid=1987601 | doi=10.1148/radiology.178.2.1987601 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=1987601 }} </ref> <ref name="pmid14576443">{{cite journal| author=Copley SJ, Wells AU, Sivakumaran P, Rubens MB, Lee YC, Desai SR | display-authors=etal| title=Asbestosis and idiopathic pulmonary fibrosis: comparison of thin-section CT features. | journal=Radiology | year= 2003 | volume= 229 | issue= 3 | pages= 731-6 | pmid=14576443 | doi=10.1148/radiol.2293020668 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=14576443 }} </ref> <ref name="pmid33153681">{{cite journal| author=Walkoff L, Hobbs S| title=Chest Imaging in the Diagnosis of Occupational Lung Diseases. | journal=Clin Chest Med | year= 2020 | volume= 41 | issue= 4 | pages= 581-603 | pmid=33153681 | doi=10.1016/j.ccm.2020.08.007 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=33153681 }} </ref> | |||
== Diagnostic Study of Choice == | == Diagnostic Study of Choice == | ||
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Dushka Riaz, MD
Overview
The initial imaging done for pneumoconiosis is a chest x-ray. This serves as a screening test. High resolution CT follows and is more sensitive and specific. HRCT can identify those disease missed by chest radiograph. [1] [2] [3] [4]
Diagnostic Study of Choice
Study of choice
1. Radiologic tests must be performed to test for asbestosis when:
- The patient has had exposure to asbestos (with Helsinki criteria indicating the dose being at least 25 fibre/ml.years.
- The CT scan would show pulmonary fibrosis, pleural thickening and pleural plaques. [5] [6]
2. The best test for Silicosis is a high resolution CT:
- It would show widespread fibrosis with bilateral nodules and evidence of involvement of lymph nodes. It can be confirmed with lung biopsy showing acellular whorls, bi-refringent crystals of silica. [7]
Investigations:
- Among the patients who present with clinical signs of [disease name], the [investigation name] is the most specific test for the diagnosis.
- Among the patients who present with clinical signs of [disease name], the [investigation name] is the most sensitive test for diagnosis.
- Among the patients who present with clinical signs of [disease name], the [investigation name] is the most efficient test for diagnosis.
Sequence of Diagnostic Studies
The various investigations must be performed in the following order:
- [Initial investigation]
- [2nd investigation]
Diagnostic Criteria
To be qualified as a pneumoconiosis or occupational disease there must be four criteria met:
- This includes documented exposure to the particle.
- Latent period before the development of symptoms.
- Clinical signs and symptoms that entail the disease
- Exclusion of other disease modalities. [8]
References
- ↑ Remy-Jardin M, Remy J, Farre I, Marquette CH (1992). "Computed tomographic evaluation of silicosis and coal workers' pneumoconiosis". Radiol Clin North Am. 30 (6): 1155–76. PMID 1410306.
- ↑ Akira M, Yokoyama K, Yamamoto S, Higashihara T, Morinaga K, Kita N; et al. (1991). "Early asbestosis: evaluation with high-resolution CT". Radiology. 178 (2): 409–16. doi:10.1148/radiology.178.2.1987601. PMID 1987601.
- ↑ Copley SJ, Wells AU, Sivakumaran P, Rubens MB, Lee YC, Desai SR; et al. (2003). "Asbestosis and idiopathic pulmonary fibrosis: comparison of thin-section CT features". Radiology. 229 (3): 731–6. doi:10.1148/radiol.2293020668. PMID 14576443.
- ↑ Walkoff L, Hobbs S (2020). "Chest Imaging in the Diagnosis of Occupational Lung Diseases". Clin Chest Med. 41 (4): 581–603. doi:10.1016/j.ccm.2020.08.007. PMID 33153681 Check
|pmid=value (help). - ↑ Darnton A, Hodgson J, Benson P, Coggon D (2012). "Mortality from asbestosis and mesothelioma in Britain by birth cohort". Occup Med (Lond). 62 (7): 549–52. doi:10.1093/occmed/kqs119. PMC 3471357. PMID 23034792.
- ↑ "Asbestos, asbestosis, and cancer: the Helsinki criteria for diagnosis and attribution". Scand J Work Environ Health. 23 (4): 311–6. 1997. PMID 9322824.
- ↑ Cullinan P, Reid P (2013). "Pneumoconiosis". Prim Care Respir J. 22 (2): 249–52. doi:10.4104/pcrj.2013.00055. PMC 6442808. PMID 23708110.
- ↑ Epler GR (1992). "Clinical overview of occupational lung disease". Radiol Clin North Am. 30 (6): 1121–33. PMID 1410303.